Houston sports in the 1970s

John Boyd

George Gojkovich/Getty Images

6of57

Quarterback John Hadl #21 of the Houston Oilers looks to pass as snow falls during a game against the Pittsburgh Steelers at Three Rivers Stadium on November 26, 1976 in Pittsburgh, Pennsylvania. (Photo by George Gojkovich/Getty Images)

George Gojkovich/Getty Images

6of57

Quarterback John Hadl #21 of the Houston Oilers looks to pass as snow falls during a game against the Pittsburgh Steelers at Three Rivers Stadium on November 26, 1976 in Pittsburgh, Pennsylvania. (Photo by George Gojkovich/Getty Images)